Display screen with an icon



FIG. 1 is a front view of a display screen with an icon; and,

FIG. 2 is a front view of a second embodiment thereof.

The broken lines surrounding each of the icons in the drawings are for illustrating a display screen and form no part of the claimed design.

The broken lines shown within the icons are for illustrative purposes only and form no part of the claimed design. 

CLAIM We claim the ornamental design for a display screen with an icon, as shown and described. 